231515010344053 has 2 divisors, whose sum is σ = 231515010344054. Its totient is φ = 231515010344052.

The previous prime is 231515010344027. The next prime is 231515010344071. The reversal of 231515010344053 is 350443010515132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220283242331364 + 11231768012689 = 14841942^2 + 3351383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231515010344053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231515010344083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115757505172026 + 115757505172027.

It is an arithmetic number, because the mean of its divisors is an integer number (115757505172027).

Almost surely, 2^{231515010344053} is an apocalyptic number.

It is an amenable number.

231515010344053 is a deficient number, since it is larger than the sum of its proper divisors (1).

231515010344053 is an equidigital number, since it uses as much as digits as its factorization.

231515010344053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 231515010344053 its reverse (350443010515132), we get a palindrome (581958020859185).

The spelling of 231515010344053 in words is "two hundred thirty-one trillion, five hundred fifteen billion, ten million, three hundred forty-four thousand, fifty-three".